Paragon Initiative Enterprises Blog

The latest information from the team that develops cryptographically secure PHP software.

Slice Of PIE #01

Paragon Initiative Enterprises answers several reader questions


Security Concerns Surrounding WebAuthn: Don't Implement ECDAA (Yet)

If you're planning on implementing the W3C and FIDO Alliance's new WebAuthn standard for hardware security token support, skip ECDAA for now.


How and Why Developers Use Asymmetric (Public Key) Cryptography in Real-World Applications

A brief overview of the various common use-cases of asymmetric cryptography (also known as "public-key cryptography") from the perspective of a software developer.


Protecting RSA-based Protocols Against Adaptive Chosen-Ciphertext Attacks

A deep dive into preventing chosen-ciphertext (e.g. padding oracle) attacks against RSA in custom encrypted transport protocols.


Paseto is a Secure Alternative to the JOSE Standards (JWT, etc.)

Paseto (Platform-Agnostic Security Tokens) is everything JWT should be, but isn't (namely, secure)


The 2018 Guide to Building Secure PHP Software

Everything a developer needs to know to build secure software in the PHP programming language in the year 2018


Assuring Ciphertext Integrity for Homomorphic Cryptosystems

How to build a homomorphic encryption scheme that is not vulnerable to chosen-ciphertext attacks, using blockchain-like protocols.


The Quick Guide to Simple and Secure Automatic Updates

How to build your own automatic update system that is verifiably secure.


It Turns Out, 2017 is the Year of Simply Secure PHP Cryptography

A reflection on the first six months of the year, ext/sodium landing in PHP 7.2, and where to go from here.


Chronicle Will Make You Question the Need for Blockchain Technology

With Chronicle, you probably don't need a blockchain to solve your problems anymore.


Need Technology Consultants?

Will tomorrow bring costly and embarrassing data breaches? Or will it bring growth, success, and peace of mind?

Our team of technology consultants have extensive knowledge and experience with application security and web/application development.

We specialize in cryptography and secure PHP development.

Let's Work Together Towards Success

Our Security Newsletters

Want the latest from Paragon Initiative Enterprises delivered straight to your inbox? We have two newsletters to choose from.

The first mails quarterly and often showcases our behind-the-scenes projects.

The other is unscheduled and gives you a direct feed into the findings of our open source security research initiatives.

Quarterly Newsletter   Security Announcements